Browsing by Author TAN CHEONG HUAT

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Issue DateTitleAuthor(s)
199517alpha,20alpha-dihydroxy-4-pregnen-3-one, not its 20beta isomer, is produced from 17alpha-hydroxyprogesterone by spermatozoa of secondary male groupers (Epinephelus tauvina) derived from females implanted with 17alpha-methyltestosteroneTan, A.M.; Lee, S.T.; Kime, D.E.; Chao, T.M.; Lim, H.S.; Chou, R.; Lam, T.J. ; Tan, C.H. 
Dec-19915α-Pregnane-3β,7α,17,20α- and -20β-tetrols as metabolites of progesterone and 17-hydroxyprogesterone in carp (Cyprinus carpio) ovarian incubationsKime, D.E.; Venkatesh, B. ; Tan, C.H. 
1988Aminoglutethimide augments follicle-stimulating hormone-induced aromatase activity in cultured porcine granulosa cellsWoon-Khiong Chan ; Cheong-Huat Tan 
1-Mar-1997Biosynthesis in vivo and excretion of cortisol by fish larvaeSampath-Kumar, R.; Lee, S.T.L.; Tan, C.H. ; Munro, A.D. ; Lam, T.J. 
Dec-1989Blood steroid levels in the goldfish: Measurement of six ovarian steroids in small volumes of serum by reverse-phase high-performance liquid chromatography and radioimmunoassayVenkatesh, B. ; Tan, C.H. ; Lam, T.J. 
Aug-1989Changes in histamine and prostaglandins in acute inflammatory air pouch in miceSin, Y.M. ; Tan, C.H. ; Chan, S.F.
1-Nov-2000Corticosteroid biosynthesis in vitro by testes of the grouper (Epinephelus coioides) after 17α-methyltestosterone-induced sex inversionLee, S.T.L.; Lam, T.J. ; Tan, C.H. 
1986Effect of testosterone and 5α-dihydrotestosterone on follicle-stimulating hormone-induced aromatase activity in porcine granulosa cellsChan, W.-K. ; Tan, C.-H. 
Jul-1992Effects of neurohypophyseal and adenohypophyseal hormones, steroids, eicosanoids, and extrafollicular tissue on ovulation in vitro of guppy (Poecilia reticulata) embryosVenkatesh, B. ; Tan, C.H. ; Lam, T.J. 
Aug-2003Erratum: Ziwi, the zebrafish homologue of the Drosophila piwi: Co-localization with vasa at the embryonic genital ridge and gonad-specific expression in the adults (Gene Expression Patterns (2002) vol. 2 (257-260))Tan, C.-H. ; Lee, T.-C.; Weeraratne, S.D.; Korzh, V. ; Lim, T.-M. ; Gong, Z. 
1986FSH-induced aromatase activity in porcine granulosa cells: Non-competitive inhibition by non-aromatizable androgensChan, W.K. ; Tan, C.H. 
2002Increased 21-hydroxylase and shutdown of C17,20 lyase activities in testicular tissues of the grouper (Epinephelus coioides) during 17α-methyltestosterone-induced sex inversionLee, S.T.; Lam, T.J. ; Tan, C.H. 
1987Induction of aromatase activity in porcine granulosa cells by FSH and cyclic AMP.Chan, W.K. ; Tan, C.H. 
1986Inhibition of follicle-stimulating hormone induction of aromatase activity in porcine granulosa cells by thyroxine and triiodothyronineChan, W.-K. ; Tan, C.-H. 
1991Optimization of the high-performance liquid chromatographic separation of steroids by the overlapping resolution mapping procedureChong, K.Y.; Khoo, T.H.; Koo, F.S.; Ong, C.P. ; Li, S.F.Y. ; Lee, H.K. ; Venkatesh, B. ; Tan, C.H. 
Jun-1995Overripening of ovulated eggs in goldfish, Carassius auratus: II. Possible involvement of postovulatory follicles and steroidsFormacion, M.J.; Venkatesh, B. ; Tan, C.H. ; Lam, T.J. 
Aug-1991Progestins and cortisol delay while estradiol-17β induces early parturition in the guppy, Poecilia reticulataVenkatesh, B. ; Tan, C.H. ; Lam, T.J. 
Nov-1987Prostaglandin synthesis and its inhibition by cyclic AMP and forskolin in postpartum follicles of the guppyTan, C.H. ; Lam, T.J. ; Wong, L.Y.; Pang, M.K.
Jul-1992Prostaglandins and teleost neurohypophyseal hormones induce premature parturition in the guppy, Poecilia reticulataVenkatesh, B. ; Tan, C.H. ; Lam, T.J. 
Mar-1990Steroid hormone profile during gestation and parturition of the guppy (Poecilia reticulata)Venkatesh, B. ; Tan, C.H. ; Lam, T.J.